KABUL, Afghanistan (CNN) -- Civilians, including women and children, were killed in an airstrike by coalition troops in southern Afghanistan, NATO's International Security Assistance Force said Thursday.

The airstrike occurred Wednesday when NATO-led forces were targeting militants at a compound in Helmand province, according to an ISAF statement.

Local villagers said 11 civilians were killed and no Taliban militants were killed.

"ISAF received reports of a number of persons killed in the compound, including women and children," the statement said.

"Also, a number of civilians with injuries reported to ISAF troops and were given immediate medical attention or were transported to an ISAF hospital for treatment."